We study a mechanism design problem under the assumption that renegotiation cannot be prevented. We investigate what kind of equilibria of which mechanisms are renegotiation-proof under a variety of renegotiation procedures, and which social choice functions can be implemented in a way that is...

We present a model of anonymous collective bargaining where individuals preferences and information may be significantly interdependent. We show that the bargaining outcome becomes independent of individuals preferences and information as the bargaining group increases in size. As a corollary,...